<?php
/**
 * Copyright 2013 Marek Kaszewski
 *
 * This file is part of the JHUB1 Online Community Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Application\Model\SettingsObjects;

use DateTime;

class DateTimeObject
{

    private $date;
    private $nullValue = false;

    public function __construct()
    {
        $this->date = new DateTime("Europe/London");
        date_default_timezone_set("Europe/London");
    }

    public function toTimestamp()
    {
        $timestamp = $this->date->getTimestamp();
        $newTimestamp = $timestamp . '000';
        return $newTimestamp;
    }

    public function fromTimestamp($timestamp)
    {
        if ($timestamp == '') {
            $this->nullValue = true;
        }
        $timestamp = intval($timestamp);
        $timestamp = strval($timestamp);
        if (strlen($timestamp) == 13) {
            $timestamp = substr($timestamp, 0, -3);
        }
        $this->date->setTimestamp($timestamp);
    }

    public function getDate()
    {
        if (!$this->nullValue) {
            return $this->date;
        }
        return null;
    }

    public function toString()
    {
        if (!$this->nullValue) {
            $string = '    Date:        ' . $this->date->format(DateTime::ISO8601);
        } else {
            $string = '    Date:        null';
        }
        return $string;
    }
}